kernel/thinkpad-acpi-fix-backlight.patch

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2010-07-30 00:19:53 +00:00
diff -up linux-2.6.34.noarch/drivers/platform/x86/thinkpad_acpi.c.orig linux-2.6.34.noarch/drivers/platform/x86/thinkpad_acpi.c
--- linux-2.6.34.noarch/drivers/platform/x86/thinkpad_acpi.c.orig 2010-05-17 16:28:13.254200070 -0400
+++ linux-2.6.34.noarch/drivers/platform/x86/thinkpad_acpi.c 2010-05-17 16:29:56.471200083 -0400
@@ -3397,7 +3397,7 @@ static int __init hotkey_init(struct ibm
/* update bright_acpimode... */
tpacpi_check_std_acpi_brightness_support();
- if (tp_features.bright_acpimode && acpi_video_backlight_support()) {
+ if (acpi_video_backlight_support()) {
printk(TPACPI_INFO
"This ThinkPad has standard ACPI backlight "
"brightness control, supported by the ACPI "
@@ -6189,26 +6189,24 @@ static int __init brightness_init(struct
* going to publish a backlight interface
*/
b = tpacpi_check_std_acpi_brightness_support();
- if (b > 0) {
- if (acpi_video_backlight_support()) {
- if (brightness_enable > 1) {
- printk(TPACPI_NOTICE
- "Standard ACPI backlight interface "
- "available, not loading native one.\n");
- return 1;
- } else if (brightness_enable == 1) {
- printk(TPACPI_NOTICE
- "Backlight control force enabled, even if standard "
- "ACPI backlight interface is available\n");
- }
- } else {
- if (brightness_enable > 1) {
- printk(TPACPI_NOTICE
- "Standard ACPI backlight interface not "
- "available, thinkpad_acpi native "
- "brightness control enabled\n");
- }
+ if (acpi_video_backlight_support()) {
+ if (brightness_enable > 1) {
+ printk(TPACPI_NOTICE
+ "Standard ACPI backlight interface "
+ "available, not loading native one.\n");
+ return 1;
+ } else if (brightness_enable == 1) {
+ printk(TPACPI_NOTICE
+ "Backlight control force enabled, even if standard "
+ "ACPI backlight interface is available\n");
+ }
+ } else {
+ if (brightness_enable > 1) {
+ printk(TPACPI_NOTICE
+ "Standard ACPI backlight interface not "
+ "available, thinkpad_acpi native "
+ "brightness control enabled\n");
}
}